Question mark sculpture



FIG. 1 is an front thereof;

FIG. 2 is plan view rotated 45° counter-clockwise from FIG. 1 thereof;

FIG. 3 is plan view rotated 45° counter-clockwise from FIG. 2 thereof;

FIG. 4 is plan view rotated 45° counter-clockwise from FIG. 3 thereof;

FIG. 5 is plan view rotated 45° counter-clockwise from FIG. 4 thereof;

FIG. 6 is plan view rotated 45° counter-clockwise from FIG. 5 thereof;

FIG. 7 is plan view rotated 45° counter-clockwise from FIG. 6 thereof;

FIG. 8 is plan view rotated 45° counter-clockwise from FIG. 7 thereof;

FIG. 9 is a top view thereof; and,

FIG. 10 is a bottom view thereof.

It will be understood that dashed lines presented in the drawings arefor illustration only, and do not form part of the claimed design.

The ornamental design for question mark sculpture, as shown anddescribed.